935 lines
33 KiB
JavaScript
935 lines
33 KiB
JavaScript
/**
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* Main Application - Data Visualization Display Wall
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*/
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(function () {
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'use strict';
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// ---- Config ----
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const REFRESH_INTERVAL = 5000; // 5 seconds
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const NETWORK_HISTORY_INTERVAL = 60000; // 1 minute
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// ---- DOM Elements ----
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const dom = {
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clock: document.getElementById('clock'), // May be null if removed from UI
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serverCountText: document.getElementById('serverCountText'),
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sourceCount: document.getElementById('sourceCount'),
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totalServers: document.getElementById('totalServers'),
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cpuPercent: document.getElementById('cpuPercent'),
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cpuDetail: document.getElementById('cpuDetail'),
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memPercent: document.getElementById('memPercent'),
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memDetail: document.getElementById('memDetail'),
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diskPercent: document.getElementById('diskPercent'),
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diskDetail: document.getElementById('diskDetail'),
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totalBandwidth: document.getElementById('totalBandwidth'),
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bandwidthDetail: document.getElementById('bandwidthDetail'),
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traffic24hRx: document.getElementById('traffic24hRx'),
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traffic24hTx: document.getElementById('traffic24hTx'),
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traffic24hTotal: document.getElementById('traffic24hTotal'),
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trafficP95: document.getElementById('trafficP95'),
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networkCanvas: document.getElementById('networkCanvas'),
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serverTableBody: document.getElementById('serverTableBody'),
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btnSettings: document.getElementById('btnSettings'),
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settingsModal: document.getElementById('settingsModal'),
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modalClose: document.getElementById('modalClose'),
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sourceName: document.getElementById('sourceName'),
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sourceUrl: document.getElementById('sourceUrl'),
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sourceDesc: document.getElementById('sourceDesc'),
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btnTest: document.getElementById('btnTest'),
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btnAdd: document.getElementById('btnAdd'),
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formMessage: document.getElementById('formMessage'),
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sourceItems: document.getElementById('sourceItems'),
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// Site Settings
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modalTabs: document.querySelectorAll('.modal-tab'),
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tabContents: document.querySelectorAll('.tab-content'),
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pageNameInput: document.getElementById('pageNameInput'),
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siteTitleInput: document.getElementById('siteTitleInput'),
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logoUrlInput: document.getElementById('logoUrlInput'),
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btnSaveSiteSettings: document.getElementById('btnSaveSiteSettings'),
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siteSettingsMessage: document.getElementById('siteSettingsMessage'),
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logoText: document.getElementById('logoText'),
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logoIconContainer: document.getElementById('logoIconContainer'),
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defaultThemeInput: document.getElementById('defaultThemeInput'),
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// Auth & Theme elements
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themeToggle: document.getElementById('themeToggle'),
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sunIcon: document.querySelector('.sun-icon'),
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moonIcon: document.querySelector('.moon-icon'),
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userSection: document.getElementById('userSection'),
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btnLogin: document.getElementById('btnLogin'),
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loginModal: document.getElementById('loginModalOverlay'),
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closeLoginModal: document.getElementById('closeLoginModal'),
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loginForm: document.getElementById('loginForm'),
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loginError: document.getElementById('loginError'),
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footerTime: document.getElementById('footerTime'),
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legendP95: document.getElementById('legendP95'),
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// Server Details Modal
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serverDetailModal: document.getElementById('serverDetailModal'),
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serverDetailClose: document.getElementById('serverDetailClose'),
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serverDetailTitle: document.getElementById('serverDetailTitle'),
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detailMetricsList: document.getElementById('detailMetricsList'),
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detailLoading: document.getElementById('detailLoading'),
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detailCpuCores: document.getElementById('detailCpuCores'),
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detailMemTotal: document.getElementById('detailMemTotal'),
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detailUptime: document.getElementById('detailUptime'),
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detailContainer: document.getElementById('detailContainer')
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};
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// ---- State ----
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let previousMetrics = null;
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let networkChart = null;
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let user = null; // Currently logged in user
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let currentServerDetail = { instance: null, job: null, source: null, charts: {} };
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// ---- Initialize ----
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function init() {
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// Resource Gauges Time
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updateGaugesTime();
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setInterval(updateGaugesTime, 1000);
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// Initial theme check (localStorage handled after site settings load to ensure priority)
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// Network chart
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networkChart = new AreaChart(dom.networkCanvas);
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// Event listeners
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dom.btnSettings.addEventListener('click', openSettings);
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dom.modalClose.addEventListener('click', closeSettings);
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dom.settingsModal.addEventListener('click', (e) => {
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if (e.target === dom.settingsModal) closeSettings();
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});
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dom.btnTest.addEventListener('click', testConnection);
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dom.btnAdd.addEventListener('click', addSource);
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// Auth & Theme listeners
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dom.themeToggle.addEventListener('change', toggleTheme);
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dom.btnLogin.addEventListener('click', openLoginModal);
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dom.closeLoginModal.addEventListener('click', closeLoginModal);
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dom.loginForm.addEventListener('submit', handleLogin);
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dom.loginModal.addEventListener('click', (e) => {
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if (e.target === dom.loginModal) closeLoginModal();
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});
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// Tab switching
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dom.modalTabs.forEach(tab => {
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tab.addEventListener('click', () => {
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const targetTab = tab.getAttribute('data-tab');
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switchTab(targetTab);
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});
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});
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// Site settings
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dom.btnSaveSiteSettings.addEventListener('click', saveSiteSettings);
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// Keyboard shortcut
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document.addEventListener('keydown', (e) => {
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if (e.key === 'Escape') {
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closeSettings();
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closeLoginModal();
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closeServerDetail();
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}
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});
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// Server detail modal listeners
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dom.serverDetailClose.addEventListener('click', closeServerDetail);
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dom.serverDetailModal.addEventListener('click', (e) => {
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if (e.target === dom.serverDetailModal) closeServerDetail();
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});
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// Server table row click delegator
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dom.serverTableBody.addEventListener('click', (e) => {
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const row = e.target.closest('tr');
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if (row && !row.classList.contains('empty-row')) {
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const instance = row.getAttribute('data-instance');
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const job = row.getAttribute('data-job');
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const source = row.getAttribute('data-source');
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if (instance && job && source) {
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openServerDetail(instance, job, source);
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}
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}
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});
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// P95 Toggle
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if (dom.legendP95) {
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dom.legendP95.addEventListener('click', () => {
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networkChart.showP95 = !networkChart.showP95;
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dom.legendP95.classList.toggle('disabled', !networkChart.showP95);
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networkChart.draw();
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});
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}
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// Check auth status
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checkAuthStatus();
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// Start data fetching
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fetchMetrics();
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fetchNetworkHistory();
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// Site settings
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if (window.SITE_SETTINGS) {
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applySiteSettings(window.SITE_SETTINGS);
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// Actual theme class already applied in head, just update icons and inputs
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const savedTheme = localStorage.getItem('theme');
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const currentTheme = savedTheme || window.SITE_SETTINGS.default_theme || 'dark';
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updateThemeIcons(currentTheme);
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// Still populate inputs
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dom.pageNameInput.value = window.SITE_SETTINGS.page_name || '';
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dom.siteTitleInput.value = window.SITE_SETTINGS.title || '';
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dom.logoUrlInput.value = window.SITE_SETTINGS.logo_url || '';
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dom.defaultThemeInput.value = window.SITE_SETTINGS.default_theme || 'dark';
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}
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loadSiteSettings();
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setInterval(fetchMetrics, REFRESH_INTERVAL);
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setInterval(fetchNetworkHistory, NETWORK_HISTORY_INTERVAL);
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}
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// ---- Theme Switching ----
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function toggleTheme() {
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const theme = dom.themeToggle.checked ? 'light' : 'dark';
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document.documentElement.classList.toggle('light-theme', theme === 'light');
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localStorage.setItem('theme', theme);
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updateThemeIcons(theme);
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}
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function applyTheme(theme) {
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let actualTheme = theme;
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if (theme === 'auto') {
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actualTheme = window.matchMedia('(prefers-color-scheme: light)').matches ? 'light' : 'dark';
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}
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const isLight = actualTheme === 'light';
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dom.themeToggle.checked = isLight;
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document.documentElement.classList.toggle('light-theme', isLight);
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updateThemeIcons(actualTheme);
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}
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function updateThemeIcons(theme) {
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// Icons are in the slider, we adjust their opacity to show which one is active
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if (theme === 'light') {
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dom.sunIcon.style.opacity = '0.3';
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dom.moonIcon.style.opacity = '1';
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} else {
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dom.sunIcon.style.opacity = '1';
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dom.moonIcon.style.opacity = '0.3';
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}
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}
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// ---- Auth Logic ----
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async function checkAuthStatus() {
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try {
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const resp = await fetch('/api/auth/status');
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const data = await resp.json();
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if (data.authenticated) {
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updateUserUI(data.username);
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} else {
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updateUserUI(null);
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}
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} catch (err) {
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updateUserUI(null);
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}
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}
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function updateUserUI(username) {
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if (username) {
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user = username;
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dom.btnSettings.style.display = 'flex';
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dom.userSection.innerHTML = `
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<div class="user-info">
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<span class="username">${escapeHtml(username)}</span>
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<button class="btn btn-logout" id="btnLogout">退出</button>
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</div>
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`;
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document.getElementById('btnLogout').addEventListener('click', handleLogout);
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} else {
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user = null;
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dom.btnSettings.style.display = 'none';
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dom.userSection.innerHTML = `<button class="btn btn-login" id="btnLogin">登录</button>`;
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document.getElementById('btnLogin').addEventListener('click', openLoginModal);
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}
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}
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function openLoginModal() {
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dom.loginModal.classList.add('active');
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dom.loginError.style.display = 'none';
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}
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function closeLoginModal() {
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dom.loginModal.classList.remove('active');
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dom.loginForm.reset();
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}
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async function handleLogin(e) {
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e.preventDefault();
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const username = document.getElementById('username').value;
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const password = document.getElementById('password').value;
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try {
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const resp = await fetch('/api/auth/login', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ username, password })
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});
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const data = await resp.json();
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if (resp.ok) {
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updateUserUI(data.username);
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closeLoginModal();
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} else {
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dom.loginError.textContent = data.error || '登录失败';
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dom.loginError.style.display = 'block';
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}
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} catch (err) {
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dom.loginError.textContent = '服务器错误';
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dom.loginError.style.display = 'block';
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}
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}
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async function handleLogout() {
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try {
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await fetch('/api/auth/logout', { method: 'POST' });
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updateUserUI(null);
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} catch (err) {
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console.error('Logout failed:', err);
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}
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}
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// ---- Clock ----
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function updateClock() {
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if (dom.clock) {
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dom.clock.textContent = formatClock();
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}
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}
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function updateGaugesTime() {
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const clockStr = formatClock();
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if (dom.footerTime) {
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dom.footerTime.textContent = clockStr;
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}
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}
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// ---- Fetch Metrics ----
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async function fetchMetrics() {
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try {
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const response = await fetch('/api/metrics/overview');
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const data = await response.json();
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updateDashboard(data);
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} catch (err) {
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console.error('Error fetching metrics:', err);
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}
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}
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// ---- Update Dashboard ----
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function updateDashboard(data) {
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// Server count
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dom.totalServers.textContent = data.totalServers;
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dom.serverCountText.textContent = `${data.totalServers} 台服务器`;
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// CPU
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const cpuPct = data.cpu.percent;
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dom.cpuPercent.textContent = formatPercent(cpuPct);
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dom.cpuDetail.textContent = `${data.cpu.used.toFixed(1)} / ${data.cpu.total.toFixed(0)} 核心`;
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// Memory
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const memPct = data.memory.percent;
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dom.memPercent.textContent = formatPercent(memPct);
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dom.memDetail.textContent = `${formatBytes(data.memory.used)} / ${formatBytes(data.memory.total)}`;
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// Disk
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const diskPct = data.disk.percent;
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dom.diskPercent.textContent = formatPercent(diskPct);
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dom.diskDetail.textContent = `${formatBytes(data.disk.used)} / ${formatBytes(data.disk.total)}`;
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// Bandwidth
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dom.totalBandwidth.textContent = formatBandwidth(data.network.total || 0);
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dom.bandwidthDetail.textContent = `↓ ${formatBandwidth(data.network.rx)} ↑ ${formatBandwidth(data.network.tx)}`;
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// 24h traffic
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dom.traffic24hRx.textContent = formatBytes(data.traffic24h.rx);
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dom.traffic24hTx.textContent = formatBytes(data.traffic24h.tx);
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dom.traffic24hTotal.textContent = formatBytes(data.traffic24h.total || (data.traffic24h.rx + data.traffic24h.tx));
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// Update server table
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updateServerTable(data.servers);
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// Flash animation
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if (previousMetrics) {
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[dom.cpuPercent, dom.memPercent, dom.diskPercent, dom.totalBandwidth].forEach(el => {
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el.classList.remove('value-update');
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void el.offsetWidth; // Force reflow
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el.classList.add('value-update');
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});
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}
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previousMetrics = data;
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}
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// ---- Server Table ----
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function updateServerTable(servers) {
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if (!servers || servers.length === 0) {
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dom.serverTableBody.innerHTML = `
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<tr class="empty-row">
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<td colspan="8">暂无数据 - 请先配置 Prometheus 数据源</td>
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</tr>
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`;
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return;
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}
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// Sort servers: online first, then by cpu usage
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servers.sort((a, b) => {
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if (a.up !== b.up) return b.up ? 1 : -1;
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return b.cpuPercent - a.cpuPercent;
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});
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dom.serverTableBody.innerHTML = servers.map(server => {
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const memPct = server.memTotal > 0 ? (server.memUsed / server.memTotal * 100) : 0;
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const diskPct = server.diskTotal > 0 ? (server.diskUsed / server.diskTotal * 100) : 0;
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return `
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<tr data-instance="${escapeHtml(server.instance)}" data-job="${escapeHtml(server.job)}" data-source="${escapeHtml(server.source)}" style="cursor: pointer;">
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<td>
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<span class="status-dot ${server.up ? 'status-dot-online' : 'status-dot-offline'}"></span>
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</td>
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<td>
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<div style="color: var(--text-primary); font-weight: 600; font-family: var(--font-sans);">${escapeHtml(server.job)}</div>
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</td>
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<td>${escapeHtml(server.source)}</td>
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<td>
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<div class="usage-bar">
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<div class="usage-bar-track">
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<div class="usage-bar-fill usage-bar-fill-cpu" style="width: ${Math.min(server.cpuPercent, 100)}%"></div>
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</div>
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<span>${formatPercent(server.cpuPercent)}</span>
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</div>
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</td>
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<td>
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<div class="usage-bar">
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<div class="usage-bar-track">
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<div class="usage-bar-fill usage-bar-fill-mem" style="width: ${Math.min(memPct, 100)}%"></div>
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</div>
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<span>${formatPercent(memPct)}</span>
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</div>
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</td>
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<td>
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<div class="usage-bar">
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<div class="usage-bar-track">
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<div class="usage-bar-fill usage-bar-fill-disk" style="width: ${Math.min(diskPct, 100)}%"></div>
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</div>
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<span>${formatPercent(diskPct)}</span>
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</div>
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</td>
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<td>${formatBandwidth(server.netRx)}</td>
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<td>${formatBandwidth(server.netTx)}</td>
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</tr>
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`;
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}).join('');
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}
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|
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// ---- Server Detail ----
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async function openServerDetail(instance, job, source) {
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currentServerDetail = { instance, job, source, charts: {} };
|
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dom.serverDetailTitle.textContent = `${job}`;
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dom.serverDetailModal.classList.add('active');
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|
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// Show loading
|
||
dom.detailContainer.style.opacity = '0.3';
|
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dom.detailLoading.style.display = 'block';
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dom.detailMetricsList.innerHTML = '';
|
||
|
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try {
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const url = `/api/metrics/server-details?instance=${encodeURIComponent(instance)}&job=${encodeURIComponent(job)}&source=${encodeURIComponent(source)}`;
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const response = await fetch(url);
|
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if (!response.ok) throw new Error('Fetch failed');
|
||
const data = await response.json();
|
||
|
||
renderServerDetail(data);
|
||
} catch (err) {
|
||
console.error('Error fetching server details:', err);
|
||
} finally {
|
||
dom.detailContainer.style.opacity = '1';
|
||
dom.detailLoading.style.display = 'none';
|
||
}
|
||
}
|
||
|
||
function closeServerDetail() {
|
||
dom.serverDetailModal.classList.remove('active');
|
||
// Destroy charts
|
||
Object.values(currentServerDetail.charts).forEach(chart => {
|
||
if (chart && chart.destroy) chart.destroy();
|
||
});
|
||
currentServerDetail = { instance: null, job: null, source: null, charts: {} };
|
||
}
|
||
|
||
function renderServerDetail(data) {
|
||
dom.detailCpuCores.textContent = data.cpuCores + ' 核心';
|
||
dom.detailMemTotal.textContent = formatBytes(data.memTotal);
|
||
|
||
// Uptime formatting
|
||
const uptimeSec = data.uptime;
|
||
const days = Math.floor(uptimeSec / 86400);
|
||
const hours = Math.floor((uptimeSec % 86400) / 3600);
|
||
const mins = Math.floor((uptimeSec % 3600) / 60);
|
||
dom.detailUptime.textContent = `${days}天 ${hours}小时 ${mins}分`;
|
||
|
||
// Define metrics to show
|
||
const metrics = [
|
||
{ key: 'cpuBusy', label: 'CPU 忙碌率 (Busy)', value: formatPercent(data.cpuBusy) },
|
||
{ key: 'sysLoad', label: '系统负载 (Load)', value: data.sysLoad.toFixed(1) + '%' },
|
||
{ key: 'memUsedPct', label: '内存使用率 (RAM)', value: formatPercent(data.memUsedPct) },
|
||
{ key: 'swapUsedPct', label: 'SWAP 使用率', value: formatPercent(data.swapUsedPct) },
|
||
{ key: 'rootFsUsedPct', label: '根分区使用率 (/)', value: formatPercent(data.rootFsUsedPct) },
|
||
{ key: 'netRx', label: '网络接收速率 (RX)', value: formatBandwidth(data.netRx) },
|
||
{ key: 'netTx', label: '网络发送速率 (TX)', value: formatBandwidth(data.netTx) }
|
||
];
|
||
|
||
dom.detailMetricsList.innerHTML = metrics.map(m => `
|
||
<div class="metric-item" id="metric-${m.key}">
|
||
<div class="metric-item-header" onclick="toggleMetricExpand('${m.key}')">
|
||
<div class="metric-label-group">
|
||
<span class="metric-label">${m.label}</span>
|
||
<span class="metric-value">${m.value}</span>
|
||
</div>
|
||
<svg class="chevron-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
|
||
<polyline points="6 9 12 15 18 9"></polyline>
|
||
</svg>
|
||
</div>
|
||
<div class="metric-item-content">
|
||
<div class="chart-controls">
|
||
<div class="time-range-group">
|
||
<div class="time-range-selector">
|
||
<button class="time-range-btn active" onclick="loadMetricHistory('${m.key}', '1h', event)">1h</button>
|
||
<button class="time-range-btn" onclick="loadMetricHistory('${m.key}', '6h', event)">6h</button>
|
||
<button class="time-range-btn" onclick="loadMetricHistory('${m.key}', '12h', event)">12h</button>
|
||
<button class="time-range-btn" onclick="loadMetricHistory('${m.key}', '24h', event)">24h</button>
|
||
</div>
|
||
<div class="custom-range-selector">
|
||
<input type="text" class="custom-range-input" id="custom-range-${m.key}" placeholder="相对范围 (如: 2h)" onkeydown="if(event.key==='Enter') loadCustomMetricHistory('${m.key}', event)">
|
||
</div>
|
||
<div class="absolute-range-selector">
|
||
<input type="datetime-local" class="time-input" id="start-time-${m.key}">
|
||
<span style="color: var(--text-secondary); font-size: 0.7rem;">至</span>
|
||
<input type="datetime-local" class="time-input" id="end-time-${m.key}">
|
||
<button class="btn-custom-go" onclick="loadCustomMetricHistory('${m.key}', event)">查询</button>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<div class="detail-chart-wrapper">
|
||
<canvas id="chart-${m.key}"></canvas>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
`).join('');
|
||
}
|
||
|
||
window.toggleMetricExpand = async function (metricKey) {
|
||
const el = document.getElementById(`metric-${metricKey}`);
|
||
const wasActive = el.classList.contains('active');
|
||
|
||
// Close all others
|
||
document.querySelectorAll('.metric-item').forEach(item => item.classList.remove('active'));
|
||
|
||
if (!wasActive) {
|
||
el.classList.add('active');
|
||
// Initial load
|
||
loadMetricHistory(metricKey, '1h');
|
||
}
|
||
};
|
||
|
||
window.loadMetricHistory = async function (metricKey, range, event, start = null, end = null) {
|
||
if (event) {
|
||
event.stopPropagation();
|
||
const group = event.target.closest('.time-range-group');
|
||
if (group) {
|
||
group.querySelectorAll('.time-range-btn').forEach(btn => btn.classList.remove('active'));
|
||
if (event.target.classList.contains('time-range-btn')) {
|
||
event.target.classList.add('active');
|
||
}
|
||
}
|
||
}
|
||
|
||
const canvas = document.getElementById(`chart-${metricKey}`);
|
||
if (!canvas) return;
|
||
|
||
let chart = currentServerDetail.charts[metricKey];
|
||
if (!chart) {
|
||
let unit = '';
|
||
if (metricKey.includes('Pct') || metricKey === 'cpuBusy') unit = '%';
|
||
if (metricKey.startsWith('net')) unit = 'B/s';
|
||
|
||
chart = new MetricChart(canvas, unit);
|
||
currentServerDetail.charts[metricKey] = chart;
|
||
}
|
||
|
||
try {
|
||
const { instance, job, source } = currentServerDetail;
|
||
let url = `/api/metrics/server-history?instance=${encodeURIComponent(instance)}&job=${encodeURIComponent(job)}&source=${encodeURIComponent(source)}&metric=${metricKey}`;
|
||
|
||
if (start && end) {
|
||
url += `&start=${encodeURIComponent(start)}&end=${encodeURIComponent(end)}`;
|
||
} else {
|
||
url += `&range=${range}`;
|
||
}
|
||
|
||
const res = await fetch(url);
|
||
if (!res.ok) throw new Error('Query failed');
|
||
const data = await res.json();
|
||
chart.setData(data);
|
||
} catch (err) {
|
||
console.error(`Error loading history for ${metricKey}:`, err);
|
||
}
|
||
};
|
||
|
||
window.loadCustomMetricHistory = async function (metricKey, event) {
|
||
if (event) event.stopPropagation();
|
||
|
||
const rangeInput = document.getElementById(`custom-range-${metricKey}`);
|
||
const startInput = document.getElementById(`start-time-${metricKey}`);
|
||
const endInput = document.getElementById(`end-time-${metricKey}`);
|
||
|
||
const range = (rangeInput.value || '').trim().toLowerCase();
|
||
const startTime = startInput.value;
|
||
const endTime = endInput.value;
|
||
|
||
if (startTime && endTime) {
|
||
// Absolute range
|
||
loadMetricHistory(metricKey, null, event, startTime, endTime);
|
||
} else if (range) {
|
||
// Relative range
|
||
if (!/^\d+[smhd]$/.test(range)) {
|
||
alert('格式不正确，请使用如: 2h, 30m, 1d 等格式');
|
||
return;
|
||
}
|
||
loadMetricHistory(metricKey, range, event);
|
||
} else {
|
||
alert('请输入相对范围或选择具体时间范围');
|
||
}
|
||
};
|
||
|
||
// ---- Network History ----
|
||
async function fetchNetworkHistory() {
|
||
try {
|
||
const response = await fetch('/api/metrics/network-history');
|
||
const data = await response.json();
|
||
networkChart.setData(data);
|
||
if (dom.trafficP95 && networkChart.p95) {
|
||
dom.trafficP95.textContent = formatBandwidth(networkChart.p95);
|
||
}
|
||
} catch (err) {
|
||
console.error('Error fetching network history:', err);
|
||
}
|
||
}
|
||
|
||
// ---- Settings Modal ----
|
||
function openSettings() {
|
||
dom.settingsModal.classList.add('active');
|
||
loadSources();
|
||
}
|
||
|
||
function closeSettings() {
|
||
dom.settingsModal.classList.remove('active');
|
||
hideMessage();
|
||
hideSiteMessage();
|
||
}
|
||
|
||
// ---- Tab Switching ----
|
||
function switchTab(tabId) {
|
||
dom.modalTabs.forEach(tab => {
|
||
tab.classList.toggle('active', tab.getAttribute('data-tab') === tabId);
|
||
});
|
||
dom.tabContents.forEach(content => {
|
||
content.classList.toggle('active', content.id === `tab-${tabId}`);
|
||
});
|
||
}
|
||
|
||
// ---- Site Settings ----
|
||
async function loadSiteSettings() {
|
||
try {
|
||
const response = await fetch('/api/settings');
|
||
const settings = await response.json();
|
||
|
||
window.SITE_SETTINGS = settings; // Cache it globally
|
||
|
||
// Update inputs
|
||
dom.pageNameInput.value = settings.page_name || '';
|
||
dom.siteTitleInput.value = settings.title || '';
|
||
dom.logoUrlInput.value = settings.logo_url || '';
|
||
dom.defaultThemeInput.value = settings.default_theme || 'dark';
|
||
|
||
// Apply to UI
|
||
applySiteSettings(settings);
|
||
|
||
// Handle Theme Priority: localStorage > Site Default
|
||
const savedTheme = localStorage.getItem('theme');
|
||
const themeToApply = savedTheme || settings.default_theme || 'dark';
|
||
applyTheme(themeToApply);
|
||
|
||
// Listen for system theme changes if set to auto
|
||
window.matchMedia('(prefers-color-scheme: light)').addEventListener('change', () => {
|
||
const currentSavedTheme = localStorage.getItem('theme');
|
||
const defaultTheme = window.SITE_SETTINGS ? window.SITE_SETTINGS.default_theme : 'dark';
|
||
const activeTheme = currentSavedTheme || defaultTheme;
|
||
if (activeTheme === 'auto') {
|
||
applyTheme('auto');
|
||
}
|
||
});
|
||
} catch (err) {
|
||
console.error('Error loading site settings:', err);
|
||
}
|
||
}
|
||
|
||
function applySiteSettings(settings) {
|
||
if (settings.page_name) {
|
||
document.title = settings.page_name;
|
||
}
|
||
if (settings.title) {
|
||
dom.logoText.textContent = settings.title;
|
||
}
|
||
|
||
// Logo Icon
|
||
if (settings.logo_url) {
|
||
dom.logoIconContainer.innerHTML = `<img src="${escapeHtml(settings.logo_url)}" alt="Logo" class="logo-icon-img">`;
|
||
} else {
|
||
// Restore default SVG
|
||
dom.logoIconContainer.innerHTML = `
|
||
<svg class="logo-icon" id="logoSvg" viewBox="0 0 32 32" fill="none">
|
||
<rect x="2" y="2" width="28" height="28" rx="8" stroke="url(#logoGrad)" stroke-width="2.5"/>
|
||
<path d="M8 22 L12 14 L16 18 L20 10 L24 16" stroke="url(#logoGrad)" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
|
||
<circle cx="12" cy="14" r="2" fill="url(#logoGrad)"/>
|
||
<circle cx="20" cy="10" r="2" fill="url(#logoGrad)"/>
|
||
<defs>
|
||
<linearGradient id="logoGrad" x1="0" y1="0" x2="32" y2="32">
|
||
<stop offset="0%" stop-color="#6366f1"/>
|
||
<stop offset="100%" stop-color="#06b6d4"/>
|
||
</linearGradient>
|
||
</defs>
|
||
</svg>
|
||
`;
|
||
}
|
||
}
|
||
|
||
async function saveSiteSettings() {
|
||
if (!user) {
|
||
showSiteMessage('请先登录后操作', 'error');
|
||
openLoginModal();
|
||
return;
|
||
}
|
||
|
||
const settings = {
|
||
page_name: dom.pageNameInput.value.trim(),
|
||
title: dom.siteTitleInput.value.trim(),
|
||
logo_url: dom.logoUrlInput.value.trim(),
|
||
default_theme: dom.defaultThemeInput.value
|
||
};
|
||
|
||
dom.btnSaveSiteSettings.disabled = true;
|
||
dom.btnSaveSiteSettings.textContent = '保存中...';
|
||
|
||
try {
|
||
const response = await fetch('/api/settings', {
|
||
method: 'POST',
|
||
headers: { 'Content-Type': 'application/json' },
|
||
body: JSON.stringify(settings)
|
||
});
|
||
|
||
if (response.ok) {
|
||
showSiteMessage('设置保存成功', 'success');
|
||
applySiteSettings(settings);
|
||
} else {
|
||
const err = await response.json();
|
||
showSiteMessage(`保存失败: ${err.error}`, 'error');
|
||
if (response.status === 401) openLoginModal();
|
||
}
|
||
} catch (err) {
|
||
showSiteMessage(`保存失败: ${err.message}`, 'error');
|
||
} finally {
|
||
dom.btnSaveSiteSettings.disabled = false;
|
||
dom.btnSaveSiteSettings.textContent = '保存设置';
|
||
}
|
||
}
|
||
|
||
function showSiteMessage(text, type) {
|
||
dom.siteSettingsMessage.textContent = text;
|
||
dom.siteSettingsMessage.className = `form-message ${type}`;
|
||
setTimeout(hideSiteMessage, 5000);
|
||
}
|
||
|
||
function hideSiteMessage() {
|
||
dom.siteSettingsMessage.className = 'form-message';
|
||
}
|
||
|
||
async function loadSources() {
|
||
try {
|
||
const response = await fetch('/api/sources');
|
||
const sources = await response.json();
|
||
dom.sourceCount.textContent = `${sources.length} 个数据源`;
|
||
renderSources(sources);
|
||
} catch (err) {
|
||
console.error('Error loading sources:', err);
|
||
}
|
||
}
|
||
|
||
function renderSources(sources) {
|
||
if (sources.length === 0) {
|
||
dom.sourceItems.innerHTML = '<div class="source-empty">暂无数据源</div>';
|
||
return;
|
||
}
|
||
|
||
dom.sourceItems.innerHTML = sources.map(source => `
|
||
<div class="source-item" data-id="${source.id}">
|
||
<div class="source-item-info">
|
||
<div class="source-item-name">
|
||
${escapeHtml(source.name)}
|
||
<span class="source-status ${source.status === 'online' ? 'source-status-online' : 'source-status-offline'}">
|
||
${source.status === 'online' ? '在线' : '离线'}
|
||
</span>
|
||
</div>
|
||
<div class="source-item-url">${escapeHtml(source.url)}</div>
|
||
${source.description ? `<div class="source-item-desc">${escapeHtml(source.description)}</div>` : ''}
|
||
</div>
|
||
<div class="source-item-actions">
|
||
<button class="btn btn-delete" onclick="deleteSource(${source.id})">删除</button>
|
||
</div>
|
||
</div>
|
||
`).join('');
|
||
}
|
||
|
||
// ---- Test Connection ----
|
||
async function testConnection() {
|
||
const url = dom.sourceUrl.value.trim();
|
||
if (!url) {
|
||
showMessage('请输入 Prometheus URL', 'error');
|
||
return;
|
||
}
|
||
|
||
dom.btnTest.textContent = '测试中...';
|
||
dom.btnTest.disabled = true;
|
||
|
||
try {
|
||
const response = await fetch('/api/sources/test', {
|
||
method: 'POST',
|
||
headers: { 'Content-Type': 'application/json' },
|
||
body: JSON.stringify({ url })
|
||
});
|
||
const data = await response.json();
|
||
if (data.status === 'ok') {
|
||
showMessage(`连接成功！Prometheus 版本: ${data.version}`, 'success');
|
||
} else {
|
||
if (response.status === 401) {
|
||
showMessage('请先登录', 'error');
|
||
openLoginModal();
|
||
} else {
|
||
showMessage(`连接失败: ${data.message || data.error}`, 'error');
|
||
}
|
||
}
|
||
} catch (err) {
|
||
showMessage(`连接失败: ${err.message}`, 'error');
|
||
} finally {
|
||
dom.btnTest.textContent = '测试连接';
|
||
dom.btnTest.disabled = false;
|
||
}
|
||
}
|
||
|
||
// ---- Add Source ----
|
||
async function addSource() {
|
||
if (!user) {
|
||
showMessage('请先登录后操作', 'error');
|
||
openLoginModal();
|
||
return;
|
||
}
|
||
|
||
const name = dom.sourceName.value.trim();
|
||
const url = dom.sourceUrl.value.trim();
|
||
const description = dom.sourceDesc.value.trim();
|
||
|
||
if (!name || !url) {
|
||
showMessage('请填写名称和URL', 'error');
|
||
return;
|
||
}
|
||
|
||
dom.btnAdd.textContent = '添加中...';
|
||
dom.btnAdd.disabled = true;
|
||
|
||
try {
|
||
const response = await fetch('/api/sources', {
|
||
method: 'POST',
|
||
headers: { 'Content-Type': 'application/json' },
|
||
body: JSON.stringify({ name, url, description })
|
||
});
|
||
|
||
if (response.ok) {
|
||
showMessage('数据源添加成功', 'success');
|
||
dom.sourceName.value = '';
|
||
dom.sourceUrl.value = '';
|
||
dom.sourceDesc.value = '';
|
||
loadSources();
|
||
fetchMetrics();
|
||
fetchNetworkHistory();
|
||
} else {
|
||
const err = await response.json();
|
||
showMessage(`添加失败: ${err.error}`, 'error');
|
||
if (response.status === 401) openLoginModal();
|
||
}
|
||
} catch (err) {
|
||
showMessage(`添加失败: ${err.message}`, 'error');
|
||
} finally {
|
||
dom.btnAdd.textContent = '添加';
|
||
dom.btnAdd.disabled = false;
|
||
}
|
||
}
|
||
|
||
// ---- Delete Source ----
|
||
window.deleteSource = async function (id) {
|
||
if (!user) {
|
||
showMessage('请先登录后操作', 'error');
|
||
openLoginModal();
|
||
return;
|
||
}
|
||
if (!confirm('确定要删除这个数据源吗？')) return;
|
||
|
||
try {
|
||
const response = await fetch(`/api/sources/${id}`, { method: 'DELETE' });
|
||
if (response.ok) {
|
||
loadSources();
|
||
fetchMetrics();
|
||
fetchNetworkHistory();
|
||
} else {
|
||
if (response.status === 401) openLoginModal();
|
||
}
|
||
} catch (err) {
|
||
console.error('Error deleting source:', err);
|
||
}
|
||
};
|
||
|
||
// ---- Messages ----
|
||
function showMessage(text, type) {
|
||
dom.formMessage.textContent = text;
|
||
dom.formMessage.className = `form-message ${type}`;
|
||
setTimeout(hideMessage, 5000);
|
||
}
|
||
|
||
function hideMessage() {
|
||
dom.formMessage.className = 'form-message';
|
||
}
|
||
|
||
// ---- Escape HTML ----
|
||
function escapeHtml(text) {
|
||
const div = document.createElement('div');
|
||
div.textContent = text || '';
|
||
return div.innerHTML;
|
||
}
|
||
|
||
// ---- Load source count on page load ----
|
||
async function loadSourceCount() {
|
||
try {
|
||
const response = await fetch('/api/sources');
|
||
const sources = await response.json();
|
||
dom.sourceCount.textContent = `${Array.isArray(sources) ? sources.length : 0} 个数据源`;
|
||
} catch (err) {
|
||
// ignore
|
||
}
|
||
}
|
||
|
||
// ---- Start ----
|
||
loadSourceCount();
|
||
init();
|
||
})();
|